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DEVEL15-linux26-disable-backing-readahead-20061109
author
Chas Williams
<chas@cmf.nrl.navy.mil>
Thu, 9 Nov 2006 22:56:11 +0000 (22:56 +0000)
committer
Derrick Brashear
<shadow@dementia.org>
Thu, 9 Nov 2006 22:56:11 +0000 (22:56 +0000)
FIXES 42797
disable vm readahead, we don't want it
(cherry picked from commit
dd508cf7b4553b13872335ec1eb84401bc61435f
)
src/afs/LINUX/osi_vfsops.c
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diff --git
a/src/afs/LINUX/osi_vfsops.c
b/src/afs/LINUX/osi_vfsops.c
index
9c21606
..
71f01b8
100644
(file)
--- a/
src/afs/LINUX/osi_vfsops.c
+++ b/
src/afs/LINUX/osi_vfsops.c
@@
-105,8
+105,7
@@
struct file_system_type afs_fs_type = {
#if defined(AFS_LINUX26_ENV)
struct backing_dev_info afs_backing_dev_info = {
- .ra_pages = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE,
- .state = 0,
+ .ra_pages = 0, /* disable readahead, afs does prefetch */
};
int